CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 51,775	$ 63,741
Marketable securities	48,983	81,658
Accounts receivable, net - related party	2,765	3,260
Inventory, net	2,821	2,383
Income tax receivable	697	697
Other receivables	555	496
Prepaid expenses	8,154	16,267
Restricted cash	408	408
Total current assets	116,158	168,910
Operating lease right-of-use assets	4,864	1,551
Marketable securities, non-current		11,350
Property and equipment, net	3,322	426
Restricted cash, non-current	1,500
Total assets	125,844	182,237
Current liabilities:
Accounts payable and accrued expenses	25,592	21,540
Operating lease liabilities, current		1,918
Total current liabilities	25,592	23,458
Liability related to sales of future royalties and milestones, net	37,079
Operating lease liabilities, non-current	6,088
Total liabilities	68,759	23,458
Commitments and contingencies (Note 19)
Stockholders' equity:
Preferred stock; $0.001 par value; 5,000,000 shares authorized at December 31, 2023 and December 31, 2022, zero shares issued and outstanding at December 31, 2023 and December 31, 2022
Common stock; $0.001 par value; 100,000,000 shares authorized at December 31, 2023 and December 31, 2022, 54,480,704 shares and 53,797,341 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	54	53
Additional paid-in capital	742,036	726,630
Accumulated deficit	(684,745)	(566,232)
Accumulated other comprehensive loss	(260)	(1,672)
Total stockholders' equity	57,085	158,779
Total liabilities and stockholders' equity	$ 125,844	$ 182,237